ch6: gastrointestional system Flashcards
mouth (oral cavity)
responsible from initiating digestion both mechanical (chewing) and chemical (saliva)
pharynx
throat or the passageway for food between the oral cavity and the esophagus
esophagus
muscular tube connecting the mouth to the stomach. uses wave like contractions called peristalsis to propel food into the stomach.
stomach
revives good from esophagus and continues to break down using gastric juices. propels food to small intestines.
small intestine
takes up most of the space within the abdominal cavity. primarily responsible for absorption of nutrients. divided into sections
-duodenum
-jejunum
-ileum
large intestine
also called the colon, absorption is completed here and is feces is formed from solid waste products
divided into sections
-cecum: connects to ileum
-ascending colon
-transverse colon
-descending colon
-sigmoid colon
rectum
the end of the colon that stores feces until defection
anus
the end of the rectum, opens to the outside of the body to allow elimination of feces
liver
large organ located in the RUQ of the abdomen, produces bile needed to break down fats
gall bladder
located inferior to the liver. stores bile and connects to duodenum.
pancreas
posterior to the stomach and connects to duodenum. produces enzymes that aid with digestion.